| Nuno Lopes | cdb30b4 | 2010-04-16 20:56:35 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s |
| Nuno Lopes | 5b2c6d9 | 2009-01-30 12:58:18 +0000 | [diff] [blame] | 2 | |
| Douglas Gregor | 3498bdb | 2009-01-29 17:44:32 +0000 | [diff] [blame] | 3 | struct foo { |
| 4 | void *a; |
| 5 | int b; |
| 6 | }; |
| 7 | |
| Nuno Lopes | cdb30b4 | 2010-04-16 20:56:35 +0000 | [diff] [blame] | 8 | // CHECK: @u = global %union.anon zeroinitializer |
| Douglas Gregor | 3498bdb | 2009-01-29 17:44:32 +0000 | [diff] [blame] | 9 | union { int i; float f; } u = { }; |
| 10 | |
| Nuno Lopes | cdb30b4 | 2010-04-16 20:56:35 +0000 | [diff] [blame] | 11 | // CHECK: @u2 = global %0 { i32 0, [4 x i8] undef } |
| 12 | union { int i; double f; } u2 = { }; |
| 13 | |
| 14 | // CHECK: @b = global [2 x i32] [i32 0, i32 22] |
| 15 | int b[2] = { |
| 16 | [1] = 22 |
| 17 | }; |
| 18 | |
| Douglas Gregor | 3498bdb | 2009-01-29 17:44:32 +0000 | [diff] [blame] | 19 | int main(int argc, char **argv) |
| 20 | { |
| Nuno Lopes | cdb30b4 | 2010-04-16 20:56:35 +0000 | [diff] [blame] | 21 | // CHECK: internal global %struct.foo { i8* null, i32 1024 } |
| 22 | static struct foo foo = { |
| 23 | .b = 1024, |
| 24 | }; |
| Douglas Gregor | 68c56de | 2009-03-27 23:40:29 +0000 | [diff] [blame] | 25 | |
| Nuno Lopes | cdb30b4 | 2010-04-16 20:56:35 +0000 | [diff] [blame] | 26 | // CHECK: bitcast %union.anon* %u2 |
| 27 | // CHECK: call void @llvm.memset |
| 28 | union { int i; float f; } u2 = { }; |
| 29 | |
| 30 | // CHECK-NOT: call void @llvm.memset |
| 31 | union { int i; float f; } u3; |
| 32 | |
| 33 | // CHECK: ret i32 |
| 34 | } |